<template>
  <div class="box">
    <el-dialog title="温馨提示" :visible.sync="dialogVisible" width="30%" :append-to-body="true">
      <span>请输入账号和密码</span>
      <span slot="footer" class="dialog-footer">
        <el-button type="primary" @click="dialogVisible = false">确定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<style scoped>
.box{
   background:url("../../assets/changePwd.png");
    width:100%;
  height:100%;
  position:fixed;
  background-size:100% 100%;
}
</style>